| Customization: | Available |
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| After-sales Service: | Within 12 Months From The Date of Sale... |
| Warranty: | After 18 Months From The Meter′s Shipment |
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| Clock accuracy: |
| Within reference temperature range(20ºC±2ºC),clock accuracy is better than 0.5s/d; |
| Within using temperature range(-20ºC~55ºC),under alternating current and direct battery power supply condition,clock accuracy is better than 1.0s/d. |
| Power consumption: |
| Voltage circuit power consumption:≤1W,5VA; Current circuit power consumption:≤1VA(Ib) |
| Reference frequency:50Hz, *frequency range:50Hz±5 % |
| Power price management function: Sharp, peak, flat and valley power price can be set, and support most four class step power price and step power quantity; Step power price and step power quantity can be set as one class, two class, three class and four class. |
| Prepayment security regime: During recharge process, all important data shall be cipher-text, only SAM in the inner meter shall complete decode. Any method can not be left in the meter for fees recharge, change of power price and other operation. |
| Communication interface function: RS485 communication interface: to protect meter, RS485 communication interface must be isolated by electric insulation, |
| Clock function: The clock in the meter must adopt hardware clock circuit, the built-in clock has the function of calendar, timing, and leap year automatic changeover. Any interference can not make the clock goes wrong. |
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